1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * acpi.h - ACPI Interface
4 *
5 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6 */
7
8 #ifndef _LINUX_ACPI_H
9 #define _LINUX_ACPI_H
10
11 #include <linux/errno.h>
12 #include <linux/ioport.h> /* for struct resource */
13 #include <linux/resource_ext.h>
14 #include <linux/device.h>
15 #include <linux/mod_devicetable.h>
16 #include <linux/property.h>
17 #include <linux/uuid.h>
18 #include <linux/node.h>
19
20 struct irq_domain;
21 struct irq_domain_ops;
22
23 #ifndef _LINUX
24 #define _LINUX
25 #endif
26 #include <acpi/acpi.h>
27 #include <acpi/acpi_numa.h>
28
29 #ifdef CONFIG_ACPI
30
31 #include <linux/list.h>
32 #include <linux/dynamic_debug.h>
33 #include <linux/module.h>
34 #include <linux/mutex.h>
35 #include <linux/fw_table.h>
36
37 #include <acpi/acpi_bus.h>
38 #include <acpi/acpi_drivers.h>
39 #include <acpi/acpi_io.h>
40 #include <asm/acpi.h>
41
42 #ifdef CONFIG_ACPI_TABLE_LIB
43 #define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, "ACPI")
44 #define __init_or_acpilib
45 #define __initdata_or_acpilib
46 #else
47 #define EXPORT_SYMBOL_ACPI_LIB(x)
48 #define __init_or_acpilib __init
49 #define __initdata_or_acpilib __initdata
50 #endif
51
acpi_device_handle(struct acpi_device * adev)52 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
53 {
54 return adev ? adev->handle : NULL;
55 }
56
57 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode)
58 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \
59 acpi_fwnode_handle(adev) : NULL)
60 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
61 #define ACPI_HANDLE_FWNODE(fwnode) \
62 acpi_device_handle(to_acpi_device_node(fwnode))
63
acpi_alloc_fwnode_static(void)64 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
65 {
66 struct fwnode_handle *fwnode;
67
68 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL);
69 if (!fwnode)
70 return NULL;
71
72 fwnode_init(fwnode, &acpi_static_fwnode_ops);
73
74 return fwnode;
75 }
76
acpi_free_fwnode_static(struct fwnode_handle * fwnode)77 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode)
78 {
79 if (WARN_ON(!is_acpi_static_node(fwnode)))
80 return;
81
82 kfree(fwnode);
83 }
84
has_acpi_companion(struct device * dev)85 static inline bool has_acpi_companion(struct device *dev)
86 {
87 return is_acpi_device_node(dev->fwnode);
88 }
89
acpi_preset_companion(struct device * dev,struct acpi_device * parent,u64 addr)90 static inline void acpi_preset_companion(struct device *dev,
91 struct acpi_device *parent, u64 addr)
92 {
93 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false));
94 }
95
acpi_dev_name(struct acpi_device * adev)96 static inline const char *acpi_dev_name(struct acpi_device *adev)
97 {
98 return dev_name(&adev->dev);
99 }
100
101 struct device *acpi_get_first_physical_node(struct acpi_device *adev);
102
103 enum acpi_irq_model_id {
104 ACPI_IRQ_MODEL_PIC = 0,
105 ACPI_IRQ_MODEL_IOAPIC,
106 ACPI_IRQ_MODEL_IOSAPIC,
107 ACPI_IRQ_MODEL_PLATFORM,
108 ACPI_IRQ_MODEL_GIC,
109 ACPI_IRQ_MODEL_LPIC,
110 ACPI_IRQ_MODEL_RINTC,
111 ACPI_IRQ_MODEL_COUNT
112 };
113
114 extern enum acpi_irq_model_id acpi_irq_model;
115
116 enum acpi_interrupt_id {
117 ACPI_INTERRUPT_PMI = 1,
118 ACPI_INTERRUPT_INIT,
119 ACPI_INTERRUPT_CPEI,
120 ACPI_INTERRUPT_COUNT
121 };
122
123 #define ACPI_SPACE_MEM 0
124
125 enum acpi_address_range_id {
126 ACPI_ADDRESS_RANGE_MEMORY = 1,
127 ACPI_ADDRESS_RANGE_RESERVED = 2,
128 ACPI_ADDRESS_RANGE_ACPI = 3,
129 ACPI_ADDRESS_RANGE_NVS = 4,
130 ACPI_ADDRESS_RANGE_COUNT
131 };
132
133
134 /* Table Handlers */
135 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table);
136
137 /* Debugger support */
138
139 struct acpi_debugger_ops {
140 int (*create_thread)(acpi_osd_exec_callback function, void *context);
141 ssize_t (*write_log)(const char *msg);
142 ssize_t (*read_cmd)(char *buffer, size_t length);
143 int (*wait_command_ready)(bool single_step, char *buffer, size_t length);
144 int (*notify_command_complete)(void);
145 };
146
147 struct acpi_debugger {
148 const struct acpi_debugger_ops *ops;
149 struct module *owner;
150 struct mutex lock;
151 };
152
153 #ifdef CONFIG_ACPI_DEBUGGER
154 int __init acpi_debugger_init(void);
155 int acpi_register_debugger(struct module *owner,
156 const struct acpi_debugger_ops *ops);
157 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops);
158 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context);
159 ssize_t acpi_debugger_write_log(const char *msg);
160 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length);
161 int acpi_debugger_wait_command_ready(void);
162 int acpi_debugger_notify_command_complete(void);
163 #else
acpi_debugger_init(void)164 static inline int acpi_debugger_init(void)
165 {
166 return -ENODEV;
167 }
168
acpi_register_debugger(struct module * owner,const struct acpi_debugger_ops * ops)169 static inline int acpi_register_debugger(struct module *owner,
170 const struct acpi_debugger_ops *ops)
171 {
172 return -ENODEV;
173 }
174
acpi_unregister_debugger(const struct acpi_debugger_ops * ops)175 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops)
176 {
177 }
178
acpi_debugger_create_thread(acpi_osd_exec_callback function,void * context)179 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function,
180 void *context)
181 {
182 return -ENODEV;
183 }
184
acpi_debugger_write_log(const char * msg)185 static inline int acpi_debugger_write_log(const char *msg)
186 {
187 return -ENODEV;
188 }
189
acpi_debugger_read_cmd(char * buffer,u32 buffer_length)190 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length)
191 {
192 return -ENODEV;
193 }
194
acpi_debugger_wait_command_ready(void)195 static inline int acpi_debugger_wait_command_ready(void)
196 {
197 return -ENODEV;
198 }
199
acpi_debugger_notify_command_complete(void)200 static inline int acpi_debugger_notify_command_complete(void)
201 {
202 return -ENODEV;
203 }
204 #endif
205
206 #define BAD_MADT_ENTRY(entry, end) ( \
207 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \
208 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
209
210 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
211 void __acpi_unmap_table(void __iomem *map, unsigned long size);
212 int early_acpi_boot_init(void);
213 int acpi_boot_init (void);
214 void acpi_boot_table_prepare (void);
215 void acpi_boot_table_init (void);
216 int acpi_mps_check (void);
217 int acpi_numa_init (void);
218
219 int acpi_locate_initial_tables (void);
220 void acpi_reserve_initial_tables (void);
221 void acpi_table_init_complete (void);
222 int acpi_table_init (void);
223
224 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
225 int __init_or_acpilib acpi_table_parse_entries(char *id,
226 unsigned long table_size, int entry_id,
227 acpi_tbl_entry_handler handler, unsigned int max_entries);
228 int __init_or_acpilib acpi_table_parse_entries_array(char *id,
229 unsigned long table_size, struct acpi_subtable_proc *proc,
230 int proc_num, unsigned int max_entries);
231 int acpi_table_parse_madt(enum acpi_madt_type id,
232 acpi_tbl_entry_handler handler,
233 unsigned int max_entries);
234 int __init_or_acpilib
235 acpi_table_parse_cedt(enum acpi_cedt_type id,
236 acpi_tbl_entry_handler_arg handler_arg, void *arg);
237
238 int acpi_parse_mcfg (struct acpi_table_header *header);
239 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
240
241 #if defined(CONFIG_X86) || defined(CONFIG_LOONGARCH)
242 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
243 #else
244 static inline void
acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity * pa)245 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { }
246 #endif
247
248 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa);
249
250 #if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
251 void acpi_arch_dma_setup(struct device *dev);
252 #else
acpi_arch_dma_setup(struct device * dev)253 static inline void acpi_arch_dma_setup(struct device *dev) { }
254 #endif
255
256 #ifdef CONFIG_ARM64
257 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa);
258 #else
259 static inline void
acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity * pa)260 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
261 #endif
262
263 #ifdef CONFIG_RISCV
264 void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa);
265 #else
acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity * pa)266 static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { }
267 #endif
268
269 #ifndef PHYS_CPUID_INVALID
270 typedef u32 phys_cpuid_t;
271 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
272 #endif
273
invalid_logical_cpuid(u32 cpuid)274 static inline bool invalid_logical_cpuid(u32 cpuid)
275 {
276 return (int)cpuid < 0;
277 }
278
invalid_phys_cpuid(phys_cpuid_t phys_id)279 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id)
280 {
281 return phys_id == PHYS_CPUID_INVALID;
282 }
283
284
285 int __init acpi_get_madt_revision(void);
286
287 /* Validate the processor object's proc_id */
288 bool acpi_duplicate_processor_id(int proc_id);
289 /* Processor _CTS control */
290 struct acpi_processor_power;
291
292 #ifdef CONFIG_ACPI_PROCESSOR_CSTATE
293 bool acpi_processor_claim_cst_control(void);
294 int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
295 struct acpi_processor_power *info);
296 #else
acpi_processor_claim_cst_control(void)297 static inline bool acpi_processor_claim_cst_control(void) { return false; }
acpi_processor_evaluate_cst(acpi_handle handle,u32 cpu,struct acpi_processor_power * info)298 static inline int acpi_processor_evaluate_cst(acpi_handle handle, u32 cpu,
299 struct acpi_processor_power *info)
300 {
301 return -ENODEV;
302 }
303 #endif
304
305 #ifdef CONFIG_ACPI_HOTPLUG_CPU
306 /* Arch dependent functions for cpu hotplug support */
307 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id,
308 int *pcpu);
309 int acpi_unmap_cpu(int cpu);
310 #endif /* CONFIG_ACPI_HOTPLUG_CPU */
311
312 acpi_handle acpi_get_processor_handle(int cpu);
313
314 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
315 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr);
316 #endif
317
318 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
319 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
320 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base);
321 void acpi_irq_stats_init(void);
322 extern u32 acpi_irq_handled;
323 extern u32 acpi_irq_not_handled;
324 extern unsigned int acpi_sci_irq;
325 extern bool acpi_no_s5;
326 #define INVALID_ACPI_IRQ ((unsigned)-1)
acpi_sci_irq_valid(void)327 static inline bool acpi_sci_irq_valid(void)
328 {
329 return acpi_sci_irq != INVALID_ACPI_IRQ;
330 }
331
332 extern int sbf_port;
333
334 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity);
335 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
336 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
337
338 typedef struct fwnode_handle *(*acpi_gsi_domain_disp_fn)(u32);
339
340 void acpi_set_irq_model(enum acpi_irq_model_id model,
341 acpi_gsi_domain_disp_fn fn);
342 acpi_gsi_domain_disp_fn acpi_get_gsi_dispatcher(void);
343 void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
344
345 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
346 unsigned int size,
347 struct fwnode_handle *fwnode,
348 const struct irq_domain_ops *ops,
349 void *host_data);
350
351 #ifdef CONFIG_X86_IO_APIC
352 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
353 #else
acpi_get_override_irq(u32 gsi,int * trigger,int * polarity)354 static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity)
355 {
356 return -1;
357 }
358 #endif
359 /*
360 * This function undoes the effect of one call to acpi_register_gsi().
361 * If this matches the last registration, any IRQ resources for gsi
362 * are freed.
363 */
364 void acpi_unregister_gsi (u32 gsi);
365
366 struct pci_dev;
367
368 struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin);
369 int acpi_pci_irq_enable (struct pci_dev *dev);
370 void acpi_penalize_isa_irq(int irq, int active);
371 bool acpi_isa_irq_available(int irq);
372 #ifdef CONFIG_PCI
373 void acpi_penalize_sci_irq(int irq, int trigger, int polarity);
374 #else
acpi_penalize_sci_irq(int irq,int trigger,int polarity)375 static inline void acpi_penalize_sci_irq(int irq, int trigger,
376 int polarity)
377 {
378 }
379 #endif
380 void acpi_pci_irq_disable (struct pci_dev *dev);
381
382 extern int ec_read(u8 addr, u8 *val);
383 extern int ec_write(u8 addr, u8 val);
384 extern int ec_transaction(u8 command,
385 const u8 *wdata, unsigned wdata_len,
386 u8 *rdata, unsigned rdata_len);
387 extern acpi_handle ec_get_handle(void);
388
389 extern bool acpi_is_pnp_device(struct acpi_device *);
390
391 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
392
393 typedef void (*wmi_notify_handler) (union acpi_object *data, void *context);
394
395 int wmi_instance_count(const char *guid);
396
397 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance,
398 u32 method_id,
399 const struct acpi_buffer *in,
400 struct acpi_buffer *out);
401 extern acpi_status wmi_query_block(const char *guid, u8 instance,
402 struct acpi_buffer *out);
403 extern acpi_status wmi_set_block(const char *guid, u8 instance,
404 const struct acpi_buffer *in);
405 extern acpi_status wmi_install_notify_handler(const char *guid,
406 wmi_notify_handler handler, void *data);
407 extern acpi_status wmi_remove_notify_handler(const char *guid);
408 extern bool wmi_has_guid(const char *guid);
409 extern char *wmi_get_acpi_device_uid(const char *guid);
410
411 #endif /* CONFIG_ACPI_WMI */
412
413 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001
414 #define ACPI_VIDEO_DEVICE_POSTING 0x0002
415 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004
416 #define ACPI_VIDEO_BACKLIGHT 0x0008
417 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010
418 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020
419 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040
420 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080
421 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100
422 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
423 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
424 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
425
426 extern char acpi_video_backlight_string[];
427 extern long acpi_is_video_device(acpi_handle handle);
428
429 extern void acpi_osi_setup(char *str);
430 extern bool acpi_osi_is_win8(void);
431
432 #ifdef CONFIG_ACPI_THERMAL_LIB
433 int thermal_acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);
434 int thermal_acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);
435 int thermal_acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);
436 int thermal_acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);
437 #endif
438
439 #ifdef CONFIG_ACPI_HMAT
440 int acpi_get_genport_coordinates(u32 uid, struct access_coordinate *coord);
441 #else
acpi_get_genport_coordinates(u32 uid,struct access_coordinate * coord)442 static inline int acpi_get_genport_coordinates(u32 uid,
443 struct access_coordinate *coord)
444 {
445 return -EOPNOTSUPP;
446 }
447 #endif
448
449 #ifdef CONFIG_ACPI_NUMA
450 int acpi_map_pxm_to_node(int pxm);
451 int acpi_get_node(acpi_handle handle);
452
453 /**
454 * pxm_to_online_node - Map proximity ID to online node
455 * @pxm: ACPI proximity ID
456 *
457 * This is similar to pxm_to_node(), but always returns an online
458 * node. When the mapped node from a given proximity ID is offline, it
459 * looks up the node distance table and returns the nearest online node.
460 *
461 * ACPI device drivers, which are called after the NUMA initialization has
462 * completed in the kernel, can call this interface to obtain their device
463 * NUMA topology from ACPI tables. Such drivers do not have to deal with
464 * offline nodes. A node may be offline when SRAT memory entry does not exist,
465 * or NUMA is disabled, ex. "numa=off" on x86.
466 */
pxm_to_online_node(int pxm)467 static inline int pxm_to_online_node(int pxm)
468 {
469 int node = pxm_to_node(pxm);
470
471 return numa_map_to_online_node(node);
472 }
473 #else
pxm_to_online_node(int pxm)474 static inline int pxm_to_online_node(int pxm)
475 {
476 return 0;
477 }
acpi_map_pxm_to_node(int pxm)478 static inline int acpi_map_pxm_to_node(int pxm)
479 {
480 return 0;
481 }
acpi_get_node(acpi_handle handle)482 static inline int acpi_get_node(acpi_handle handle)
483 {
484 return 0;
485 }
486 #endif
487 extern int pnpacpi_disabled;
488
489 #define PXM_INVAL (-1)
490
491 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res);
492 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res);
493 bool acpi_dev_resource_address_space(struct acpi_resource *ares,
494 struct resource_win *win);
495 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
496 struct resource_win *win);
497 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable, u8 wake_capable);
498 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
499 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
500 struct resource *res);
501
502 void acpi_dev_free_resource_list(struct list_head *list);
503 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
504 int (*preproc)(struct acpi_resource *, void *),
505 void *preproc_data);
506 int acpi_dev_get_dma_resources(struct acpi_device *adev,
507 struct list_head *list);
508 int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list);
509 int acpi_dev_filter_resource_type(struct acpi_resource *ares,
510 unsigned long types);
511
acpi_dev_filter_resource_type_cb(struct acpi_resource * ares,void * arg)512 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares,
513 void *arg)
514 {
515 return acpi_dev_filter_resource_type(ares, (unsigned long)arg);
516 }
517
518 struct acpi_device *acpi_resource_consumer(struct resource *res);
519
520 int acpi_check_resource_conflict(const struct resource *res);
521
522 int acpi_check_region(resource_size_t start, resource_size_t n,
523 const char *name);
524
525 int acpi_resources_are_enforced(void);
526
527 #ifdef CONFIG_HIBERNATION
528 extern int acpi_check_s4_hw_signature;
529 #endif
530
531 #ifdef CONFIG_PM_SLEEP
532 void __init acpi_old_suspend_ordering(void);
533 void __init acpi_nvs_nosave(void);
534 void __init acpi_nvs_nosave_s3(void);
535 void __init acpi_sleep_no_blacklist(void);
536 #endif /* CONFIG_PM_SLEEP */
537
538 int acpi_register_wakeup_handler(
539 int wake_irq, bool (*wakeup)(void *context), void *context);
540 void acpi_unregister_wakeup_handler(
541 bool (*wakeup)(void *context), void *context);
542
543 struct acpi_osc_context {
544 char *uuid_str; /* UUID string */
545 int rev;
546 struct acpi_buffer cap; /* list of DWORD capabilities */
547 struct acpi_buffer ret; /* free by caller if success */
548 };
549
550 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
551
552 /* Number of _OSC capability DWORDS depends on bridge type */
553 #define OSC_PCI_CAPABILITY_DWORDS 3
554 #define OSC_CXL_CAPABILITY_DWORDS 5
555
556 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
557 #define OSC_QUERY_DWORD 0 /* DWORD 1 */
558 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
559 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */
560 #define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
561 #define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
562
563 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
564 #define OSC_QUERY_ENABLE 0x00000001 /* input */
565 #define OSC_REQUEST_ERROR 0x00000002 /* return */
566 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */
567 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */
568 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */
569
570 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */
571 #define OSC_SB_PAD_SUPPORT 0x00000001
572 #define OSC_SB_PPC_OST_SUPPORT 0x00000002
573 #define OSC_SB_PR3_SUPPORT 0x00000004
574 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008
575 #define OSC_SB_APEI_SUPPORT 0x00000010
576 #define OSC_SB_CPC_SUPPORT 0x00000020
577 #define OSC_SB_CPCV2_SUPPORT 0x00000040
578 #define OSC_SB_PCLPI_SUPPORT 0x00000080
579 #define OSC_SB_OSLPI_SUPPORT 0x00000100
580 #define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200
581 #define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400
582 #define OSC_SB_GED_SUPPORT 0x00000800
583 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
584 #define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000
585 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
586 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000
587 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
588 #define OSC_SB_BATTERY_CHARGE_LIMITING_SUPPORT 0x00080000
589 #define OSC_SB_PRM_SUPPORT 0x00200000
590 #define OSC_SB_FFH_OPR_SUPPORT 0x00400000
591
592 extern bool osc_sb_apei_support_acked;
593 extern bool osc_pc_lpi_support_confirmed;
594 extern bool osc_sb_native_usb4_support_confirmed;
595 extern bool osc_sb_cppc2_support_acked;
596 extern bool osc_cpc_flexible_adr_space_confirmed;
597
598 /* USB4 Capabilities */
599 #define OSC_USB_USB3_TUNNELING 0x00000001
600 #define OSC_USB_DP_TUNNELING 0x00000002
601 #define OSC_USB_PCIE_TUNNELING 0x00000004
602 #define OSC_USB_XDOMAIN 0x00000008
603
604 extern u32 osc_sb_native_usb4_control;
605
606 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */
607 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001
608 #define OSC_PCI_ASPM_SUPPORT 0x00000002
609 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004
610 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008
611 #define OSC_PCI_MSI_SUPPORT 0x00000010
612 #define OSC_PCI_EDR_SUPPORT 0x00000080
613 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100
614
615 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */
616 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001
617 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002
618 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004
619 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008
620 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010
621 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
622 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
623
624 /* CXL _OSC: Capabilities DWORD 4: Support Field */
625 #define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
626 #define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
627 #define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
628 #define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
629
630 /* CXL _OSC: Capabilities DWORD 5: Control Field */
631 #define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
632
acpi_osc_ctx_get_pci_control(struct acpi_osc_context * context)633 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
634 {
635 u32 *ret = context->ret.pointer;
636
637 return ret[OSC_CONTROL_DWORD];
638 }
639
acpi_osc_ctx_get_cxl_control(struct acpi_osc_context * context)640 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
641 {
642 u32 *ret = context->ret.pointer;
643
644 return ret[OSC_EXT_CONTROL_DWORD];
645 }
646
647 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
648 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
649 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
650 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008
651 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A
652 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B
653 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C
654 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D
655 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E
656 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F
657
658 /* Enable _OST when all relevant hotplug operations are enabled */
659 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \
660 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \
661 defined(CONFIG_ACPI_CONTAINER)
662 #define ACPI_HOTPLUG_OST
663 #endif
664
665 /* _OST Source Event Code (OSPM Action) */
666 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100
667 #define ACPI_OST_EC_OSPM_EJECT 0x103
668 #define ACPI_OST_EC_OSPM_INSERTION 0x200
669
670 /* _OST General Processing Status Code */
671 #define ACPI_OST_SC_SUCCESS 0x0
672 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1
673 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2
674
675 /* _OST OS Shutdown Processing (0x100) Status Code */
676 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80
677 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81
678 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82
679 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83
680
681 /* _OST Ejection Request (0x3, 0x103) Status Code */
682 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80
683 #define ACPI_OST_SC_DEVICE_IN_USE 0x81
684 #define ACPI_OST_SC_DEVICE_BUSY 0x82
685 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83
686 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84
687
688 /* _OST Insertion Request (0x200) Status Code */
689 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80
690 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
691 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
692
693 enum acpi_predicate {
694 all_versions,
695 less_than_or_equal,
696 equal,
697 greater_than_or_equal,
698 };
699
700 /* Table must be terminted by a NULL entry */
701 struct acpi_platform_list {
702 char oem_id[ACPI_OEM_ID_SIZE+1];
703 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
704 u32 oem_revision;
705 char *table;
706 enum acpi_predicate pred;
707 char *reason;
708 u32 data;
709 };
710 int acpi_match_platform_list(const struct acpi_platform_list *plat);
711
712 extern void acpi_early_init(void);
713 extern void acpi_subsystem_init(void);
714
715 extern int acpi_nvs_register(__u64 start, __u64 size);
716
717 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
718 void *data);
719
720 const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
721 const struct acpi_device *adev);
722
723 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
724 const struct device *dev);
725
726 const void *acpi_device_get_match_data(const struct device *dev);
727 extern bool acpi_driver_match_device(struct device *dev,
728 const struct device_driver *drv);
729 int acpi_device_uevent_modalias(const struct device *, struct kobj_uevent_env *);
730 int acpi_device_modalias(struct device *, char *, int);
731
732 struct platform_device *acpi_create_platform_device(struct acpi_device *,
733 const struct property_entry *);
734 #define ACPI_PTR(_ptr) (_ptr)
735
acpi_device_set_enumerated(struct acpi_device * adev)736 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
737 {
738 adev->flags.visited = true;
739 }
740
acpi_device_clear_enumerated(struct acpi_device * adev)741 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
742 {
743 adev->flags.visited = false;
744 }
745
746 enum acpi_reconfig_event {
747 ACPI_RECONFIG_DEVICE_ADD = 0,
748 ACPI_RECONFIG_DEVICE_REMOVE,
749 };
750
751 int acpi_reconfig_notifier_register(struct notifier_block *nb);
752 int acpi_reconfig_notifier_unregister(struct notifier_block *nb);
753
754 #ifdef CONFIG_ACPI_GTDT
755 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count);
756 int acpi_gtdt_map_ppi(int type);
757 bool acpi_gtdt_c3stop(int type);
758 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count);
759 #endif
760
761 #ifndef ACPI_HAVE_ARCH_SET_ROOT_POINTER
acpi_arch_set_root_pointer(u64 addr)762 static __always_inline void acpi_arch_set_root_pointer(u64 addr)
763 {
764 }
765 #endif
766
767 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER
acpi_arch_get_root_pointer(void)768 static __always_inline u64 acpi_arch_get_root_pointer(void)
769 {
770 return 0;
771 }
772 #endif
773
774 int acpi_get_local_u64_address(acpi_handle handle, u64 *addr);
775 int acpi_get_local_address(acpi_handle handle, u32 *addr);
776 const char *acpi_get_subsystem_id(acpi_handle handle);
777
778 #ifdef CONFIG_ACPI_MRRM
779 int acpi_mrrm_max_mem_region(void);
780 #endif
781
782 #else /* !CONFIG_ACPI */
783
784 #define acpi_disabled 1
785
786 #define ACPI_COMPANION(dev) (NULL)
787 #define ACPI_COMPANION_SET(dev, adev) do { } while (0)
788 #define ACPI_HANDLE(dev) (NULL)
789 #define ACPI_HANDLE_FWNODE(fwnode) (NULL)
790
791 /* Get rid of the -Wunused-variable for adev */
792 #define acpi_dev_uid_match(adev, uid2) (adev && false)
793 #define acpi_dev_hid_uid_match(adev, hid2, uid2) (adev && false)
794
795 struct fwnode_handle;
796
acpi_dev_found(const char * hid)797 static inline bool acpi_dev_found(const char *hid)
798 {
799 return false;
800 }
801
acpi_dev_present(const char * hid,const char * uid,s64 hrv)802 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
803 {
804 return false;
805 }
806
807 struct acpi_device;
808
acpi_dev_uid_to_integer(struct acpi_device * adev,u64 * integer)809 static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer)
810 {
811 return -ENODEV;
812 }
813
814 static inline struct acpi_device *
acpi_dev_get_first_match_dev(const char * hid,const char * uid,s64 hrv)815 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv)
816 {
817 return NULL;
818 }
819
acpi_reduced_hardware(void)820 static inline bool acpi_reduced_hardware(void)
821 {
822 return false;
823 }
824
acpi_dev_put(struct acpi_device * adev)825 static inline void acpi_dev_put(struct acpi_device *adev) {}
826
is_acpi_node(const struct fwnode_handle * fwnode)827 static inline bool is_acpi_node(const struct fwnode_handle *fwnode)
828 {
829 return false;
830 }
831
is_acpi_device_node(const struct fwnode_handle * fwnode)832 static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode)
833 {
834 return false;
835 }
836
to_acpi_device_node(const struct fwnode_handle * fwnode)837 static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode)
838 {
839 return NULL;
840 }
841
is_acpi_data_node(const struct fwnode_handle * fwnode)842 static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode)
843 {
844 return false;
845 }
846
to_acpi_data_node(const struct fwnode_handle * fwnode)847 static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode)
848 {
849 return NULL;
850 }
851
acpi_data_node_match(const struct fwnode_handle * fwnode,const char * name)852 static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode,
853 const char *name)
854 {
855 return false;
856 }
857
acpi_fwnode_handle(struct acpi_device * adev)858 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev)
859 {
860 return NULL;
861 }
862
acpi_device_handle(struct acpi_device * adev)863 static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
864 {
865 return NULL;
866 }
867
has_acpi_companion(struct device * dev)868 static inline bool has_acpi_companion(struct device *dev)
869 {
870 return false;
871 }
872
acpi_preset_companion(struct device * dev,struct acpi_device * parent,u64 addr)873 static inline void acpi_preset_companion(struct device *dev,
874 struct acpi_device *parent, u64 addr)
875 {
876 }
877
acpi_dev_name(struct acpi_device * adev)878 static inline const char *acpi_dev_name(struct acpi_device *adev)
879 {
880 return NULL;
881 }
882
acpi_get_first_physical_node(struct acpi_device * adev)883 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev)
884 {
885 return NULL;
886 }
887
acpi_early_init(void)888 static inline void acpi_early_init(void) { }
acpi_subsystem_init(void)889 static inline void acpi_subsystem_init(void) { }
890
early_acpi_boot_init(void)891 static inline int early_acpi_boot_init(void)
892 {
893 return 0;
894 }
acpi_boot_init(void)895 static inline int acpi_boot_init(void)
896 {
897 return 0;
898 }
899
acpi_boot_table_prepare(void)900 static inline void acpi_boot_table_prepare(void)
901 {
902 }
903
acpi_boot_table_init(void)904 static inline void acpi_boot_table_init(void)
905 {
906 }
907
acpi_mps_check(void)908 static inline int acpi_mps_check(void)
909 {
910 return 0;
911 }
912
acpi_check_resource_conflict(struct resource * res)913 static inline int acpi_check_resource_conflict(struct resource *res)
914 {
915 return 0;
916 }
917
acpi_check_region(resource_size_t start,resource_size_t n,const char * name)918 static inline int acpi_check_region(resource_size_t start, resource_size_t n,
919 const char *name)
920 {
921 return 0;
922 }
923
924 struct acpi_table_header;
acpi_table_parse(char * id,int (* handler)(struct acpi_table_header *))925 static inline int acpi_table_parse(char *id,
926 int (*handler)(struct acpi_table_header *))
927 {
928 return -ENODEV;
929 }
930
acpi_nvs_register(__u64 start,__u64 size)931 static inline int acpi_nvs_register(__u64 start, __u64 size)
932 {
933 return 0;
934 }
935
acpi_nvs_for_each_region(int (* func)(__u64,__u64,void *),void * data)936 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
937 void *data)
938 {
939 return 0;
940 }
941
942 struct acpi_device_id;
943
acpi_match_acpi_device(const struct acpi_device_id * ids,const struct acpi_device * adev)944 static inline const struct acpi_device_id *acpi_match_acpi_device(
945 const struct acpi_device_id *ids, const struct acpi_device *adev)
946 {
947 return NULL;
948 }
949
acpi_match_device(const struct acpi_device_id * ids,const struct device * dev)950 static inline const struct acpi_device_id *acpi_match_device(
951 const struct acpi_device_id *ids, const struct device *dev)
952 {
953 return NULL;
954 }
955
acpi_device_get_match_data(const struct device * dev)956 static inline const void *acpi_device_get_match_data(const struct device *dev)
957 {
958 return NULL;
959 }
960
acpi_driver_match_device(struct device * dev,const struct device_driver * drv)961 static inline bool acpi_driver_match_device(struct device *dev,
962 const struct device_driver *drv)
963 {
964 return false;
965 }
966
acpi_check_dsm(acpi_handle handle,const guid_t * guid,u64 rev,u64 funcs)967 static inline bool acpi_check_dsm(acpi_handle handle, const guid_t *guid,
968 u64 rev, u64 funcs)
969 {
970 return false;
971 }
972
acpi_evaluate_dsm(acpi_handle handle,const guid_t * guid,u64 rev,u64 func,union acpi_object * argv4)973 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
974 const guid_t *guid,
975 u64 rev, u64 func,
976 union acpi_object *argv4)
977 {
978 return NULL;
979 }
980
acpi_evaluate_dsm_typed(acpi_handle handle,const guid_t * guid,u64 rev,u64 func,union acpi_object * argv4,acpi_object_type type)981 static inline union acpi_object *acpi_evaluate_dsm_typed(acpi_handle handle,
982 const guid_t *guid,
983 u64 rev, u64 func,
984 union acpi_object *argv4,
985 acpi_object_type type)
986 {
987 return NULL;
988 }
989
acpi_device_uevent_modalias(const struct device * dev,struct kobj_uevent_env * env)990 static inline int acpi_device_uevent_modalias(const struct device *dev,
991 struct kobj_uevent_env *env)
992 {
993 return -ENODEV;
994 }
995
acpi_device_modalias(struct device * dev,char * buf,int size)996 static inline int acpi_device_modalias(struct device *dev,
997 char *buf, int size)
998 {
999 return -ENODEV;
1000 }
1001
1002 static inline struct platform_device *
acpi_create_platform_device(struct acpi_device * adev,const struct property_entry * properties)1003 acpi_create_platform_device(struct acpi_device *adev,
1004 const struct property_entry *properties)
1005 {
1006 return NULL;
1007 }
1008
acpi_dma_supported(const struct acpi_device * adev)1009 static inline bool acpi_dma_supported(const struct acpi_device *adev)
1010 {
1011 return false;
1012 }
1013
acpi_get_dma_attr(struct acpi_device * adev)1014 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
1015 {
1016 return DEV_DMA_NOT_SUPPORTED;
1017 }
1018
acpi_dma_get_range(struct device * dev,const struct bus_dma_region ** map)1019 static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map)
1020 {
1021 return -ENODEV;
1022 }
1023
acpi_dma_configure(struct device * dev,enum dev_dma_attr attr)1024 static inline int acpi_dma_configure(struct device *dev,
1025 enum dev_dma_attr attr)
1026 {
1027 return 0;
1028 }
1029
acpi_dma_configure_id(struct device * dev,enum dev_dma_attr attr,const u32 * input_id)1030 static inline int acpi_dma_configure_id(struct device *dev,
1031 enum dev_dma_attr attr,
1032 const u32 *input_id)
1033 {
1034 return 0;
1035 }
1036
1037 #define ACPI_PTR(_ptr) (NULL)
1038
acpi_device_set_enumerated(struct acpi_device * adev)1039 static inline void acpi_device_set_enumerated(struct acpi_device *adev)
1040 {
1041 }
1042
acpi_device_clear_enumerated(struct acpi_device * adev)1043 static inline void acpi_device_clear_enumerated(struct acpi_device *adev)
1044 {
1045 }
1046
acpi_reconfig_notifier_register(struct notifier_block * nb)1047 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb)
1048 {
1049 return -EINVAL;
1050 }
1051
acpi_reconfig_notifier_unregister(struct notifier_block * nb)1052 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb)
1053 {
1054 return -EINVAL;
1055 }
1056
acpi_resource_consumer(struct resource * res)1057 static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
1058 {
1059 return NULL;
1060 }
1061
acpi_get_local_address(acpi_handle handle,u32 * addr)1062 static inline int acpi_get_local_address(acpi_handle handle, u32 *addr)
1063 {
1064 return -ENODEV;
1065 }
1066
acpi_get_subsystem_id(acpi_handle handle)1067 static inline const char *acpi_get_subsystem_id(acpi_handle handle)
1068 {
1069 return ERR_PTR(-ENODEV);
1070 }
1071
acpi_register_wakeup_handler(int wake_irq,bool (* wakeup)(void * context),void * context)1072 static inline int acpi_register_wakeup_handler(int wake_irq,
1073 bool (*wakeup)(void *context), void *context)
1074 {
1075 return -ENXIO;
1076 }
1077
acpi_unregister_wakeup_handler(bool (* wakeup)(void * context),void * context)1078 static inline void acpi_unregister_wakeup_handler(
1079 bool (*wakeup)(void *context), void *context) { }
1080
1081 struct acpi_osc_context;
acpi_osc_ctx_get_pci_control(struct acpi_osc_context * context)1082 static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
1083 {
1084 return 0;
1085 }
1086
acpi_osc_ctx_get_cxl_control(struct acpi_osc_context * context)1087 static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
1088 {
1089 return 0;
1090 }
1091
acpi_sleep_state_supported(u8 sleep_state)1092 static inline bool acpi_sleep_state_supported(u8 sleep_state)
1093 {
1094 return false;
1095 }
1096
acpi_get_processor_handle(int cpu)1097 static inline acpi_handle acpi_get_processor_handle(int cpu)
1098 {
1099 return NULL;
1100 }
1101
acpi_mrrm_max_mem_region(void)1102 static inline int acpi_mrrm_max_mem_region(void)
1103 {
1104 return 1;
1105 }
1106
1107 #endif /* !CONFIG_ACPI */
1108
1109 #ifdef CONFIG_ACPI_HMAT
1110 int hmat_get_extended_linear_cache_size(struct resource *backing_res, int nid,
1111 resource_size_t *size);
1112 #else
hmat_get_extended_linear_cache_size(struct resource * backing_res,int nid,resource_size_t * size)1113 static inline int hmat_get_extended_linear_cache_size(struct resource *backing_res,
1114 int nid, resource_size_t *size)
1115 {
1116 return -EOPNOTSUPP;
1117 }
1118 #endif
1119
1120 extern void arch_post_acpi_subsys_init(void);
1121
1122 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
1123 int acpi_ioapic_add(acpi_handle root);
1124 #else
acpi_ioapic_add(acpi_handle root)1125 static inline int acpi_ioapic_add(acpi_handle root) { return 0; }
1126 #endif
1127
1128 #ifdef CONFIG_ACPI
1129 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
1130 u32 pm1a_ctrl, u32 pm1b_ctrl));
1131
1132 acpi_status acpi_os_prepare_sleep(u8 sleep_state,
1133 u32 pm1a_control, u32 pm1b_control);
1134
1135 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state,
1136 u32 val_a, u32 val_b));
1137
1138 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state,
1139 u32 val_a, u32 val_b);
1140 struct acpi_s2idle_dev_ops {
1141 struct list_head list_node;
1142 void (*prepare)(void);
1143 void (*check)(void);
1144 void (*restore)(void);
1145 };
1146 #if defined(CONFIG_SUSPEND) && defined(CONFIG_X86)
1147 int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1148 void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg);
1149 int acpi_get_lps0_constraint(struct acpi_device *adev);
1150 #else /* CONFIG_SUSPEND && CONFIG_X86 */
acpi_get_lps0_constraint(struct device * dev)1151 static inline int acpi_get_lps0_constraint(struct device *dev)
1152 {
1153 return ACPI_STATE_UNKNOWN;
1154 }
acpi_register_lps0_dev(struct acpi_s2idle_dev_ops * arg)1155 static inline int acpi_register_lps0_dev(struct acpi_s2idle_dev_ops *arg)
1156 {
1157 return -ENODEV;
1158 }
acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops * arg)1159 static inline void acpi_unregister_lps0_dev(struct acpi_s2idle_dev_ops *arg)
1160 {
1161 }
1162 #endif /* CONFIG_SUSPEND && CONFIG_X86 */
1163 void arch_reserve_mem_area(acpi_physical_address addr, size_t size);
1164 #else
1165 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0)
1166 #endif
1167
1168 #if defined(CONFIG_ACPI) && defined(CONFIG_PM)
1169 int acpi_dev_suspend(struct device *dev, bool wakeup);
1170 int acpi_dev_resume(struct device *dev);
1171 int acpi_subsys_runtime_suspend(struct device *dev);
1172 int acpi_subsys_runtime_resume(struct device *dev);
1173 int acpi_dev_pm_attach(struct device *dev, bool power_on);
1174 bool acpi_storage_d3(struct device *dev);
1175 bool acpi_dev_state_d0(struct device *dev);
1176 #else
acpi_subsys_runtime_suspend(struct device * dev)1177 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; }
acpi_subsys_runtime_resume(struct device * dev)1178 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; }
acpi_dev_pm_attach(struct device * dev,bool power_on)1179 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on)
1180 {
1181 return 0;
1182 }
acpi_storage_d3(struct device * dev)1183 static inline bool acpi_storage_d3(struct device *dev)
1184 {
1185 return false;
1186 }
acpi_dev_state_d0(struct device * dev)1187 static inline bool acpi_dev_state_d0(struct device *dev)
1188 {
1189 return true;
1190 }
1191 #endif
1192
1193 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP)
1194 int acpi_subsys_prepare(struct device *dev);
1195 void acpi_subsys_complete(struct device *dev);
1196 int acpi_subsys_suspend_late(struct device *dev);
1197 int acpi_subsys_suspend_noirq(struct device *dev);
1198 int acpi_subsys_suspend(struct device *dev);
1199 int acpi_subsys_freeze(struct device *dev);
1200 int acpi_subsys_poweroff(struct device *dev);
1201 int acpi_subsys_restore_early(struct device *dev);
1202 #else
acpi_subsys_prepare(struct device * dev)1203 static inline int acpi_subsys_prepare(struct device *dev) { return 0; }
acpi_subsys_complete(struct device * dev)1204 static inline void acpi_subsys_complete(struct device *dev) {}
acpi_subsys_suspend_late(struct device * dev)1205 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; }
acpi_subsys_suspend_noirq(struct device * dev)1206 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; }
acpi_subsys_suspend(struct device * dev)1207 static inline int acpi_subsys_suspend(struct device *dev) { return 0; }
acpi_subsys_freeze(struct device * dev)1208 static inline int acpi_subsys_freeze(struct device *dev) { return 0; }
acpi_subsys_poweroff(struct device * dev)1209 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; }
acpi_subsys_restore_early(struct device * dev)1210 static inline int acpi_subsys_restore_early(struct device *dev) { return 0; }
1211 #endif
1212
1213 #if defined(CONFIG_ACPI_EC) && defined(CONFIG_PM_SLEEP)
1214 void acpi_ec_mark_gpe_for_wake(void);
1215 void acpi_ec_set_gpe_wake_mask(u8 action);
1216 #else
acpi_ec_mark_gpe_for_wake(void)1217 static inline void acpi_ec_mark_gpe_for_wake(void) {}
acpi_ec_set_gpe_wake_mask(u8 action)1218 static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
1219 #endif
1220
1221 #ifdef CONFIG_ACPI
1222 char *acpi_handle_path(acpi_handle handle);
1223 __printf(3, 4)
1224 void acpi_handle_printk(const char *level, acpi_handle handle,
1225 const char *fmt, ...);
1226 void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
1227 acpi_status status);
1228 #else /* !CONFIG_ACPI */
1229 static inline __printf(3, 4) void
acpi_handle_printk(const char * level,void * handle,const char * fmt,...)1230 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
acpi_evaluation_failure_warn(acpi_handle handle,const char * name,acpi_status status)1231 static inline void acpi_evaluation_failure_warn(acpi_handle handle,
1232 const char *name,
1233 acpi_status status) {}
1234 #endif /* !CONFIG_ACPI */
1235
1236 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)
1237 __printf(3, 4)
1238 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...);
1239 #endif
1240
1241 /*
1242 * acpi_handle_<level>: Print message with ACPI prefix and object path
1243 *
1244 * These interfaces acquire the global namespace mutex to obtain an object
1245 * path. In interrupt context, it shows the object path as <n/a>.
1246 */
1247 #define acpi_handle_emerg(handle, fmt, ...) \
1248 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__)
1249 #define acpi_handle_alert(handle, fmt, ...) \
1250 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__)
1251 #define acpi_handle_crit(handle, fmt, ...) \
1252 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__)
1253 #define acpi_handle_err(handle, fmt, ...) \
1254 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__)
1255 #define acpi_handle_warn(handle, fmt, ...) \
1256 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__)
1257 #define acpi_handle_notice(handle, fmt, ...) \
1258 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__)
1259 #define acpi_handle_info(handle, fmt, ...) \
1260 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__)
1261
1262 #if defined(DEBUG)
1263 #define acpi_handle_debug(handle, fmt, ...) \
1264 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__)
1265 #else
1266 #if defined(CONFIG_DYNAMIC_DEBUG)
1267 #define acpi_handle_debug(handle, fmt, ...) \
1268 _dynamic_func_call(fmt, __acpi_handle_debug, \
1269 handle, pr_fmt(fmt), ##__VA_ARGS__)
1270 #else
1271 #define acpi_handle_debug(handle, fmt, ...) \
1272 ({ \
1273 if (0) \
1274 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \
1275 0; \
1276 })
1277 #endif
1278 #endif
1279
1280 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB)
1281 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1282 struct acpi_resource_gpio **agpio);
1283 bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1284 struct acpi_resource_gpio **agpio);
1285 int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id, int index,
1286 bool *wake_capable);
1287 #else
acpi_gpio_get_irq_resource(struct acpi_resource * ares,struct acpi_resource_gpio ** agpio)1288 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
1289 struct acpi_resource_gpio **agpio)
1290 {
1291 return false;
1292 }
acpi_gpio_get_io_resource(struct acpi_resource * ares,struct acpi_resource_gpio ** agpio)1293 static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares,
1294 struct acpi_resource_gpio **agpio)
1295 {
1296 return false;
1297 }
acpi_dev_gpio_irq_wake_get_by(struct acpi_device * adev,const char * con_id,int index,bool * wake_capable)1298 static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *con_id,
1299 int index, bool *wake_capable)
1300 {
1301 return -ENXIO;
1302 }
1303 #endif
1304
acpi_dev_gpio_irq_wake_get(struct acpi_device * adev,int index,bool * wake_capable)1305 static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index,
1306 bool *wake_capable)
1307 {
1308 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable);
1309 }
1310
acpi_dev_gpio_irq_get_by(struct acpi_device * adev,const char * con_id,int index)1311 static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *con_id,
1312 int index)
1313 {
1314 return acpi_dev_gpio_irq_wake_get_by(adev, con_id, index, NULL);
1315 }
1316
acpi_dev_gpio_irq_get(struct acpi_device * adev,int index)1317 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
1318 {
1319 return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL);
1320 }
1321
1322 /* Device properties */
1323
1324 #ifdef CONFIG_ACPI
1325 int acpi_dev_get_property(const struct acpi_device *adev, const char *name,
1326 acpi_object_type type, const union acpi_object **obj);
1327 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1328 const char *name, size_t index, size_t num_args,
1329 struct fwnode_reference_args *args);
1330
acpi_node_get_property_reference(const struct fwnode_handle * fwnode,const char * name,size_t index,struct fwnode_reference_args * args)1331 static inline int acpi_node_get_property_reference(
1332 const struct fwnode_handle *fwnode,
1333 const char *name, size_t index,
1334 struct fwnode_reference_args *args)
1335 {
1336 return __acpi_node_get_property_reference(fwnode, name, index,
1337 NR_FWNODE_REFERENCE_ARGS, args);
1338 }
1339
acpi_dev_has_props(const struct acpi_device * adev)1340 static inline bool acpi_dev_has_props(const struct acpi_device *adev)
1341 {
1342 return !list_empty(&adev->data.properties);
1343 }
1344
1345 struct acpi_device_properties *
1346 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid,
1347 union acpi_object *properties);
1348
1349 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname,
1350 void **valptr);
1351
1352 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1353 struct fwnode_handle *child);
1354
1355 struct acpi_probe_entry;
1356 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *,
1357 struct acpi_probe_entry *);
1358
1359 #define ACPI_TABLE_ID_LEN 5
1360
1361 /**
1362 * struct acpi_probe_entry - boot-time probing entry
1363 * @id: ACPI table name
1364 * @type: Optional subtable type to match
1365 * (if @id contains subtables)
1366 * @subtable_valid: Optional callback to check the validity of
1367 * the subtable
1368 * @probe_table: Callback to the driver being probed when table
1369 * match is successful
1370 * @probe_subtbl: Callback to the driver being probed when table and
1371 * subtable match (and optional callback is successful)
1372 * @driver_data: Sideband data provided back to the driver
1373 */
1374 struct acpi_probe_entry {
1375 __u8 id[ACPI_TABLE_ID_LEN];
1376 __u8 type;
1377 acpi_probe_entry_validate_subtbl subtable_valid;
1378 union {
1379 acpi_tbl_table_handler probe_table;
1380 acpi_tbl_entry_handler probe_subtbl;
1381 };
1382 kernel_ulong_t driver_data;
1383 };
1384
1385 void arch_sort_irqchip_probe(struct acpi_probe_entry *ap_head, int nr);
1386
1387 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
1388 valid, data, fn) \
1389 static const struct acpi_probe_entry __acpi_probe_##name \
1390 __used __section("__" #table "_acpi_probe_table") = { \
1391 .id = table_id, \
1392 .type = subtable, \
1393 .subtable_valid = valid, \
1394 .probe_table = fn, \
1395 .driver_data = data, \
1396 }
1397
1398 #define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
1399 subtable, valid, data, fn) \
1400 static const struct acpi_probe_entry __acpi_probe_##name \
1401 __used __section("__" #table "_acpi_probe_table") = { \
1402 .id = table_id, \
1403 .type = subtable, \
1404 .subtable_valid = valid, \
1405 .probe_subtbl = fn, \
1406 .driver_data = data, \
1407 }
1408
1409 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table
1410 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end
1411
1412 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr);
1413
1414 #define acpi_probe_device_table(t) \
1415 ({ \
1416 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \
1417 ACPI_PROBE_TABLE_END(t); \
1418 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \
1419 (&ACPI_PROBE_TABLE_END(t) - \
1420 &ACPI_PROBE_TABLE(t))); \
1421 })
1422 #else
acpi_dev_get_property(struct acpi_device * adev,const char * name,acpi_object_type type,const union acpi_object ** obj)1423 static inline int acpi_dev_get_property(struct acpi_device *adev,
1424 const char *name, acpi_object_type type,
1425 const union acpi_object **obj)
1426 {
1427 return -ENXIO;
1428 }
1429
1430 static inline int
__acpi_node_get_property_reference(const struct fwnode_handle * fwnode,const char * name,size_t index,size_t num_args,struct fwnode_reference_args * args)1431 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1432 const char *name, size_t index, size_t num_args,
1433 struct fwnode_reference_args *args)
1434 {
1435 return -ENXIO;
1436 }
1437
1438 static inline int
acpi_node_get_property_reference(const struct fwnode_handle * fwnode,const char * name,size_t index,struct fwnode_reference_args * args)1439 acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
1440 const char *name, size_t index,
1441 struct fwnode_reference_args *args)
1442 {
1443 return -ENXIO;
1444 }
1445
acpi_node_prop_get(const struct fwnode_handle * fwnode,const char * propname,void ** valptr)1446 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode,
1447 const char *propname,
1448 void **valptr)
1449 {
1450 return -ENXIO;
1451 }
1452
1453 static inline struct fwnode_handle *
acpi_get_next_subnode(const struct fwnode_handle * fwnode,struct fwnode_handle * child)1454 acpi_get_next_subnode(const struct fwnode_handle *fwnode,
1455 struct fwnode_handle *child)
1456 {
1457 return NULL;
1458 }
1459
1460 static inline struct fwnode_handle *
acpi_graph_get_next_endpoint(const struct fwnode_handle * fwnode,struct fwnode_handle * prev)1461 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode,
1462 struct fwnode_handle *prev)
1463 {
1464 return ERR_PTR(-ENXIO);
1465 }
1466
1467 static inline int
acpi_graph_get_remote_endpoint(const struct fwnode_handle * fwnode,struct fwnode_handle ** remote,struct fwnode_handle ** port,struct fwnode_handle ** endpoint)1468 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode,
1469 struct fwnode_handle **remote,
1470 struct fwnode_handle **port,
1471 struct fwnode_handle **endpoint)
1472 {
1473 return -ENXIO;
1474 }
1475
1476 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
1477 static const void * __acpi_table_##name[] \
1478 __attribute__((unused)) \
1479 = { (void *) table_id, \
1480 (void *) subtable, \
1481 (void *) valid, \
1482 (void *) fn, \
1483 (void *) data }
1484
1485 #define acpi_probe_device_table(t) ({ int __r = 0; __r;})
1486 #endif
1487
1488 #ifdef CONFIG_ACPI_TABLE_UPGRADE
1489 void acpi_table_upgrade(void);
1490 #else
acpi_table_upgrade(void)1491 static inline void acpi_table_upgrade(void) { }
1492 #endif
1493
1494 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG)
1495 extern bool acpi_has_watchdog(void);
1496 #else
acpi_has_watchdog(void)1497 static inline bool acpi_has_watchdog(void) { return false; }
1498 #endif
1499
1500 #ifdef CONFIG_ACPI_SPCR_TABLE
1501 extern bool qdf2400_e44_present;
1502 int acpi_parse_spcr(bool enable_earlycon, bool enable_console);
1503 #else
acpi_parse_spcr(bool enable_earlycon,bool enable_console)1504 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console)
1505 {
1506 return -ENODEV;
1507 }
1508 #endif
1509
1510 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI)
1511 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res);
1512 #else
1513 static inline
acpi_irq_get(acpi_handle handle,unsigned int index,struct resource * res)1514 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res)
1515 {
1516 return -EINVAL;
1517 }
1518 #endif
1519
1520 #ifdef CONFIG_ACPI_LPIT
1521 int lpit_read_residency_count_address(u64 *address);
1522 #else
lpit_read_residency_count_address(u64 * address)1523 static inline int lpit_read_residency_count_address(u64 *address)
1524 {
1525 return -EINVAL;
1526 }
1527 #endif
1528
1529 #ifdef CONFIG_ACPI_PROCESSOR_IDLE
1530 #ifndef arch_get_idle_state_flags
arch_get_idle_state_flags(u32 arch_flags)1531 static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
1532 {
1533 return 0;
1534 }
1535 #endif
1536 #endif /* CONFIG_ACPI_PROCESSOR_IDLE */
1537
1538 #ifdef CONFIG_ACPI_PPTT
1539 int acpi_pptt_cpu_is_thread(unsigned int cpu);
1540 int find_acpi_cpu_topology(unsigned int cpu, int level);
1541 int find_acpi_cpu_topology_cluster(unsigned int cpu);
1542 int find_acpi_cpu_topology_package(unsigned int cpu);
1543 int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
1544 #else
acpi_pptt_cpu_is_thread(unsigned int cpu)1545 static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
1546 {
1547 return -EINVAL;
1548 }
find_acpi_cpu_topology(unsigned int cpu,int level)1549 static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
1550 {
1551 return -EINVAL;
1552 }
find_acpi_cpu_topology_cluster(unsigned int cpu)1553 static inline int find_acpi_cpu_topology_cluster(unsigned int cpu)
1554 {
1555 return -EINVAL;
1556 }
find_acpi_cpu_topology_package(unsigned int cpu)1557 static inline int find_acpi_cpu_topology_package(unsigned int cpu)
1558 {
1559 return -EINVAL;
1560 }
find_acpi_cpu_topology_hetero_id(unsigned int cpu)1561 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
1562 {
1563 return -EINVAL;
1564 }
1565 #endif
1566
1567 void acpi_arch_init(void);
1568
1569 #ifdef CONFIG_ACPI_PCC
1570 void acpi_init_pcc(void);
1571 #else
acpi_init_pcc(void)1572 static inline void acpi_init_pcc(void) { }
1573 #endif
1574
1575 #ifdef CONFIG_ACPI_FFH
1576 void acpi_init_ffh(void);
1577 extern int acpi_ffh_address_space_arch_setup(void *handler_ctxt,
1578 void **region_ctxt);
1579 extern int acpi_ffh_address_space_arch_handler(acpi_integer *value,
1580 void *region_context);
1581 #else
acpi_init_ffh(void)1582 static inline void acpi_init_ffh(void) { }
1583 #endif
1584
1585 #ifdef CONFIG_ACPI
1586 extern void acpi_device_notify(struct device *dev);
1587 extern void acpi_device_notify_remove(struct device *dev);
1588 #else
acpi_device_notify(struct device * dev)1589 static inline void acpi_device_notify(struct device *dev) { }
acpi_device_notify_remove(struct device * dev)1590 static inline void acpi_device_notify_remove(struct device *dev) { }
1591 #endif
1592
acpi_use_parent_companion(struct device * dev)1593 static inline void acpi_use_parent_companion(struct device *dev)
1594 {
1595 ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent));
1596 }
1597
1598 #ifdef CONFIG_ACPI_HMAT
1599 int hmat_update_target_coordinates(int nid, struct access_coordinate *coord,
1600 enum access_coordinate_class access);
1601 #else
hmat_update_target_coordinates(int nid,struct access_coordinate * coord,enum access_coordinate_class access)1602 static inline int hmat_update_target_coordinates(int nid,
1603 struct access_coordinate *coord,
1604 enum access_coordinate_class access)
1605 {
1606 return -EOPNOTSUPP;
1607 }
1608 #endif
1609
1610 #ifdef CONFIG_ACPI_NUMA
1611 bool acpi_node_backed_by_real_pxm(int nid);
1612 #else
acpi_node_backed_by_real_pxm(int nid)1613 static inline bool acpi_node_backed_by_real_pxm(int nid)
1614 {
1615 return false;
1616 }
1617 #endif
1618
1619 #endif /*_LINUX_ACPI_H*/
1620